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Allen, Lane & Scott
1
Allen, Philip Meredith, 1893-
1
Allen, R. H. 1821-1892
1
Allen, Roger B.
1
Allen, William
1
Allinson, William J., 1810-1874
1
Allott, Stephen
1
Alotta, Robert I.
2
Alsop, Gulielma Fell, 1881-
1
Alspach, S.
1
Alspaugh, H. P.
1
Altemus, Eleanor Ward, 1917-
1
Amateur Athletic Union of the United States
1
Ambler Church of the Brethren (Ambler, Pa.)
1
America Philosophical Society
1
American Academy of Arts and Sciences
1
American Antiquarian Society
1
American Association of University Women Erie, Pennsylvania Branch
1
American Association of University Women Philadelphia Branch
6
American Association of University Women. Pennsylvania Division
1
American Breweriana Association
1
American Catholic Historical Society of Philadelphia
1
American College of Clinical Pharmacology
1
American Dredging Company
1
American Institute of Architects Convention
1
American Institute of Architects. Philadelphia Chapter
4
American Institute of Electrical Engineers
1
American Legion Thomas Roberts Reath Marine Post No. 186 (Philadelphia, Pa.)
1
American Library Association Conference
1
American Medical Association
1
American Medical Association Meeting
1
American Philosophical Society
16
American Philosophical Society Committee on Education and Participation in Science
1
American Philosophical Society. Library
1
American Public Health Association Meeting
1
American Revolution Bicentennial Commission
1
American Society of Planning Officials Meeting
1
Ames, Herman Vandenburg, 1865-1935
1
Anders, James M. 1854-1936
2
Anderson, Jim, 1957-
1
Anderson, John Alexander, 1829-1917
1
Anderson, John, 1954 March 27-
1
Anderson, Lisa, 1962-
1
Anderson, Nancy
1
Anthony J. Drexel Biddle Collection
1
Anthracite Heritage Museum and Iron Furnace Associates
1
Anthracite Heritage Museum and Iron Furnaces Associates
1
Antosh, Lou, 1943?-
1
Apollo Area Historical Society (Apollo, Pa.)
1
Appalachian Mountain Club. Delaware Valley Chapter
1
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